Adamantyl-THPINACA (ATHPINACA, AD-THPINACA)[1] is an indazole-based synthetic cannabinoid,[2] which was first reported to Europol in Slovenia in January 2015.[3] It is known as both the 1-adamantyl and 2-adamantyl isomers (SGT-40 and SGT-194 respectively), which can be distinguished by GC-EI-MS.[4] It is banned in Sweden.[5] and Russia[6]. Both the 1-adamantyl and 2-adamantyl isomers are specifically listed as illegal drugs in Japan.[7]